NyaaCat bloodmoon plugin mob.yml generator

bloodmoon_mob_yaml_generator.js

'use strict';

var yaml = require('js-yaml');
var fs = require('fs');

var waves = 6,
    wave_easy = 3,
    wave_normal = 5;
var div = 3;
var maxmobs = 20;
var file = './mob.yml.new';

var normalMob = [
    'pig_zombie',
    'zombie',
    'zombie',
    'zombie',
    'zombie',
    'skeleton',
    'skeleton',
    'skeleton',
    'skeleton',
    'spider',
    'spider',
    'spider',
    'cave_spider',
    'cave_spider',
    'creeper',
    'creeper',
    'witch',
    'witch',
    'enderman',
    'giant',
    'blaze',
    'shulker'
];

var mobs = [
    'pigzombie',
    'zombie',
    'zombie',
    'zombie',
    'zombie',
    'skeleton',
    'skeleton',
    'skeleton',
    'skeleton',
    'spider',
    'spider',
    'spider',
    'cavespider',
    'cavespider',
    'creeper',
    'creeper',
    'witch',
    'witch',
    'enderman',
    'giant',
    'blaze',
    'shulker'
];

var skills = {
    'EASY': [
        'poisonous',
        'tosser',
        'quicksand',
        'bullwark',
        'sapper',
        'cloaked',
        'ghastly',
        'lifesteal',
        'sprint',
        'storm',
        'vengeance',
        'berserk',
        'potions',
        'necromancer',
        'firework',
        'mounted',
        'ghost',
        'confusing'
    ],
    'NORMAL': [
        'poisonous',
        'blinding',
        'withering',
        'tosser',
        'quicksand',
        'bullwark',
        'rust',
        'sapper',
        '1up',
        'cloaked',
        'ender',
        'ghastly',
        'lifesteal',
        'sprint',
        'storm',
        'webber',
        'vengeance',
        'weakness',
        'berserk',
        'potions',
        'mama',
        'molten',
        'archer',
        'necromancer',
        'gravity',
        'flying',
        'mounted',
        'ghost',
        'confusing'
    ],
    'INSANE': [
        'poisonous',
        'armoured',
        'blinding',
        'withering',
        'tosser',
        'thief',
        'quicksand',
        'bullwark',
        'rust',
        'sapper',
        '1up',
        'cloaked',
        'ender',
        'ghastly',
        'lifesteal',
        'storm',
        'webber',
        'vengeance',
        'weakness',
        'berserk',
        'potions',
        'mama',
        'molten',
        'archer',
        'necromancer',
        'gravity',
        'flying',
        'mounted',
        'ghost',
        'confusing'
    ]
};

var maxlv = [
    [1, 6],  // [minlv, maxlv]
    [4, 12],
    [8, 18],
    [12, 20],
    [16, 22],
    [18, 24]
];

var gen = function() {
    var lvs = {
        normalMob: normalMob,
        levels: {}
    }
    for (var i = 1; i <= waves; i++) {
        lvs.levels[i] = {};
        var sk = skills['INSANE'];
        if (i <= wave_normal) sk = skills['NORMAL'];
        if (i <= wave_easy) sk = skills['EASY'];
        for (var t = 1; t <= maxmobs; t++) {
            lvs.levels[i][t] = {
                mobtype: rnd(mobs, 1, false)[0],
                skills: rnd(sk, range(i), false)
            }
        }
    }
    fs.writeFileSync(file, yaml.safeDump(lvs));
}();

function rnd(arr, amount, dup) {
    var len = arr.length;
    if (amount >= len) return arr;
    var narr = [];
    if (dup) {
        for (var i = 0; i < amount; i++) {
            narr.push(arr[Math.floor(Math.random() * len)]);
        }
        return narr;
    } else {
        var dedup = {};
        for (var i = 0; i < amount; i++) {
            var x = arr[Math.floor(Math.random() * len)];
            if (dedup[x]) {
                i--;
            } else {
                dedup[x] = 1;
                narr.push(x);
            }
        }
        return narr;
    }
}

function range(wave) {
    for (;;) {
        var i = Math.round(Math.random() * maxlv[wave - 1][1]);
        if (i >= maxlv[wave - 1][0]) return i;
    }
}